public static void Main()
string[,] array2x2 = {{"Bob","Smith"},{"Sally","Smith"}};
Console.WriteLine(array2x2[0,0]);
Console.WriteLine(array2x2[0,1]);
Console.WriteLine(array2x2[1,0]);
Console.WriteLine(array2x2[1,1]+"\n");
for(int i = 0; i<array2x2.GetLength(0);i++){
for(int j = 0; j<array2x2.GetLength(1);j++){
Console.WriteLine(array2x2[i,j]);